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Author
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Topic: Need help with stock fuel pressure
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WANARNM
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Member # 587
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posted
 
 
Need to know the stock fuel pressure for a 89 Mustang GT.. Thanx.
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89’ Hatch. Completely stock.
Posts: 1390 | From: San Jose | Registered: Nov 2001
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mtbaughs
Road Racer
Member # 4052
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posted
39-40 psi
Posts: 2019 | From: Boise, Idaho | Registered: Jan 2004
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beaniechick
New Member
Member # 4338
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posted
quote:
Originally posted by mtbaughs:
39-40 psi
is that on vacuum or off vacuum?
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Sup
Posts: 3 | From: ca | Registered: Apr 2004
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mtbaughs
Road Racer
Member # 4052
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posted
vacuum off
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R.I.P. Charlie Bruno Dec 2001
Posts: 2019 | From: Boise, Idaho | Registered: Jan 2004
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beaniechick
New Member
Member # 4338
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posted
Thank you....drive thru ![[Big Grin]](biggrin.gif)
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Sup
Posts: 3 | From: ca | Registered: Apr 2004
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mtbaughs
Road Racer
Member # 4052
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posted
![[patriot]](graemlins/patriot.gif)
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R.I.P. Charlie Bruno Dec 2001
Posts: 2019 | From: Boise, Idaho | Registered: Jan 2004
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WANARNM
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Member # 587
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posted
Would the F/P being too high not let the car pass the sniffer? The car is all stock. Thanx
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89’ Hatch. Completely stock.
Posts: 1390 | From: San Jose | Registered: Nov 2001
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mtbaughs
Road Racer
Member # 4052
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posted
Find out exactly where on your smog print out that the car did not fall into allowable emissions and this should point out where the car needs to be adjusted. A car running overly rich will produce higher amounts of emissions though.
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R.I.P. Charlie Bruno Dec 2001
Posts: 2019 | From: Boise, Idaho | Registered: Jan 2004
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WANARNM
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Member # 587
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posted
The guy at the smog station said it is running too rich.. I checked the pressuer and it was set at 37-39 with Vacume.. So i adjusted it now to 37-39 off vacume.
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89’ Hatch. Completely stock.
Posts: 1390 | From: San Jose | Registered: Nov 2001
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mtbaughs
Road Racer
Member # 4052
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posted
So you must have at least an adjustable fuel regulator on the car right. Any other aftermarket items? I'd look into the O2's and make sure they are functioning normally, are the cats good? Things along those lines
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R.I.P. Charlie Bruno Dec 2001
Posts: 2019 | From: Boise, Idaho | Registered: Jan 2004
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WANARNM
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Member # 587
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posted
Its a stock H-pipe.. That cats should be good.. Not cloged or anything.. ummmm the car defenitly dont smell like its running rich.. The only after market parts i have on it is some pullies and 2 chamber flows..Also.. i have a small exhaust leak.. would that caouse it not to pass? Thanx.
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89’ Hatch. Completely stock.
Posts: 1390 | From: San Jose | Registered: Nov 2001
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WANARNM
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Member # 587
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posted
Forgot to add that the O2's look a lil beat up... ummm.. what are sighns of a bad o2 sensor? Thanx
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89’ Hatch. Completely stock.
Posts: 1390 | From: San Jose | Registered: Nov 2001
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mtbaughs
Road Racer
Member # 4052
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posted
No the exhaust leak shouldn't make any difference. The car should really be put on a scanner to figure out where exactly things are a miss. You could have a bad engine coolant temp sensor or various other things that can be seen on a scanner.
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R.I.P. Charlie Bruno Dec 2001
Posts: 2019 | From: Boise, Idaho | Registered: Jan 2004
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mtbaughs
Road Racer
Member # 4052
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posted
The only way to determine if the O2's are good or not is to watch it on a scanner.
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R.I.P. Charlie Bruno Dec 2001
Posts: 2019 | From: Boise, Idaho | Registered: Jan 2004
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